Home / 5,147.96-7,105.20-3,023.60

Finding the Fourth Proportional to 5,147.96, 7,105.20 and 3,023.60

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Solution

The fourth proportional to 5,147.96, 7,105.20 and 3,023.60 is: 4,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.96 : 7,105.20 = 3,023.60 : x
  2. Step 2: Convert to fraction form
    5,147.96/7,105.20 = 3,023.60/x
  3. Step 3: Cross multiply
    5,147.96x = 7,105.20 × 3,023.60
  4. Step 4: Simplify right side
    5,147.96x = 21,483,282.72
  5. Step 5: Solve for x
    x = 21,483,282.72/5,147.96
  6. Step 6: Final answer
    x = 4,173.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.